44342443157 has 2 divisors, whose sum is σ = 44342443158. Its totient is φ = 44342443156.

The previous prime is 44342443087. The next prime is 44342443177. The reversal of 44342443157 is 75134424344.

44342443157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43627094641 + 715348516 = 208871^2 + 26746^2 .

It is a cyclic number.

It is not a de Polignac number, because 44342443157 - 2¹² = 44342439061 is a prime.

It is a super-2 number, since 2×44342443157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44342443177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22171221578 + 22171221579.

It is an arithmetic number, because the mean of its divisors is an integer number (22171221579).

Almost surely, 2^44342443157 is an apocalyptic number.

It is an amenable number.

44342443157 is a deficient number, since it is larger than the sum of its proper divisors (1).

44342443157 is an equidigital number, since it uses as much as digits as its factorization.

44342443157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 41.

The spelling of 44342443157 in words is "forty-four billion, three hundred forty-two million, four hundred forty-three thousand, one hundred fifty-seven".